1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/clk-provider.h>
17 	struct regmap *reg;  member
31 	regmap_read(osc->reg, 0, &rate);  in vexpress_osc_recalc_rate()
41 	if (osc->rate_min && rate < osc->rate_min)  in vexpress_osc_round_rate()
42 		rate = osc->rate_min;  in vexpress_osc_round_rate()
44 	if (osc->rate_max && rate > osc->rate_max)  in vexpress_osc_round_rate()
45 		rate = osc->rate_max;  in vexpress_osc_round_rate()
55 	return regmap_write(osc->reg, 0, rate);  in vexpress_osc_set_rate()
72 	osc = devm_kzalloc(&pdev->dev, sizeof(*osc), GFP_KERNEL);  in vexpress_osc_probe()
74 		return -ENOMEM;  in vexpress_osc_probe()
76 	osc->reg = devm_regmap_init_vexpress_config(&pdev->dev);  in vexpress_osc_probe()
77 	if (IS_ERR(osc->reg))  in vexpress_osc_probe()
78 		return PTR_ERR(osc->reg);  in vexpress_osc_probe()
80 	if (of_property_read_u32_array(pdev->dev.of_node, "freq-range", range,  in vexpress_osc_probe()
82 		osc->rate_min = range[0];  in vexpress_osc_probe()
83 		osc->rate_max = range[1];  in vexpress_osc_probe()
86 	if (of_property_read_string(pdev->dev.of_node, "clock-output-names",  in vexpress_osc_probe()
88 		init.name = dev_name(&pdev->dev);  in vexpress_osc_probe()
94 	osc->hw.init = &init;  in vexpress_osc_probe()
96 	ret = devm_clk_hw_register(&pdev->dev, &osc->hw);  in vexpress_osc_probe()
100 	devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_simple_get, &osc->hw);  in vexpress_osc_probe()
101 	clk_hw_set_rate_range(&osc->hw, osc->rate_min, osc->rate_max);  in vexpress_osc_probe()
103 	dev_dbg(&pdev->dev, "Registered clock '%s'\n", init.name);  in vexpress_osc_probe()
109 	{ .compatible = "arm,vexpress-osc", },
116 		.name = "vexpress-osc",